UART_DM_SR_RXRDY
return ((uart_getreg(bas, UART_DM_SR) & UART_DM_SR_RXRDY) ==
UART_DM_SR_RXRDY);
while ((uart_getreg(bas, UART_DM_SR) & UART_DM_SR_RXRDY) !=
UART_DM_SR_RXRDY)
while (uart_getreg(bas, UART_DM_SR) & UART_DM_SR_RXRDY) {